Inventor
Kyuichirou Nagai
Inventor
Fujisawa, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer90%
H04NPictorial communication, e.g. television10%
PatentTitleYear
8,073,312'Recorder equipped with dubbing function'20116,948,179'Disk cartridge'20055,812,340'Magnetic tape recording and reproducing plug-in unit'19985,291,351'Magnetic recording/reproducing apparatus'19945,278,707'Tape loading mechanism for magnetic recording and/or reproducing apparatus'19945,196,977'Tape guide mechanism for recording and reproducing device'19935,124,862'Tape loading mechanism for magnetic recording and reproducing devices'19925,016,125'Tape loading mechanism for a magnetic recording/reproducing apparatus'19914,943,874'Tape tension controller for a cassette recording/playback apparatus'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–2011Patents assigned to HITACHI LTD (9)· patent assignee history
1990–2011Based in Fujisawa, JP· patent location history
2011Patents assigned to FURUI MAKI (1)· patent assignee history
2011Patents assigned to NAGAI KYUICHIROU (1)· patent assignee history
2011Patents assigned to ONO HIROAKI (1)· patent assignee history
2011Patents assigned to TAKEDA HIDEKAZU (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 9 | 1990–2011 |
| FURUI MAKI | 1 | 2011 |
| NAGAI KYUICHIROUself | 1 | 2011 |
| ONO HIROAKI | 1 | 2011 |
| TAKEDA HIDEKAZU | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fujisawa, JP | 9 | 1990–2011 |